table {
	border-collapse: collapse;
	border-spacing: 0;
	border: 1px solid #C0C0C0;
}
thead tr {
	cursor: pointer;

	color: #FFF;
	background-color: #009;

	font-family: Arial, Helvetica, sans-serif;
}
th, td {
	position: relative;

	display: table-cell;
	text-align: left;

	border-right: 1px solid #C0C0C0;
	border-bottom: 1px solid #C0C0C0;
	padding-left: 5px;
	padding-right: 25px;
}
tbody tr:nth-child(even) {
	background-color: rgba(136, 136 , 136, .3);
}
th.descend, th.ascend {
	background-color: rgba(255, 255, 255, .4);
}
th.descend:after, th.ascend:after {
	content: '';

	position: absolute;
	top: 1px;
	right: 3px;

	width: 20px;
	height: 20px;
	
	background-position: center;
	background-repeat: no-repeat;
}
th.ascend:after {
	background-image: url('ascend.png');
}
th.descend:after {
	background-image: url('descend.png');
}
/*.descend img, .ascend img {
	position: absolute;
	top: 0;
	right: 10px;
}

.unseen {
	visibility: hidden;
}*/
